eBay Rises 0.52% Amid 346th Dollar Volume Rank as Liquidity Wanes

On Sept. 23, 2025, , ranking 346th among U.S. stocks by dollar volume. The e-commerce giant's performance followed mixed signals from earnings and operational updates, with market participants closely monitoring its Q3 guidance and strategic shifts in global marketplaces.

Analysts noted the stock's resilience amid reduced liquidity, contrasting with broader tech sector volatility. The volume contraction suggested diminished short-term , though institutional positioning remained stable. eBay's core North American marketplace saw sequential order growth, while showed mixed recovery trends.

. , reflecting cautious positioning ahead of potential earnings revisions. The company's recent partnership with in Europe added incremental visibility to its fulfillment cost structure.

To run an accurate back-test we need a few extra details: 1. Universe – should we screen the entire U.S. listed equity universe (NYSE + NASDAQ + AMEX common stocks), or a different market? 2. Ranking logic – use each day’s volume rank (top 500 by previous-day dollar volume or share volume)? 3. Execution price – open of the next trading day, or that same day’s close? 4. Position sizing – equal-weight across the 500 names, or weight by, for example, inverse volatility or market-cap? 5. Friction – include transaction costs/slippage, or ignore them? 6. Any risk controls (stop-loss, max drawdown, etc.)? Once we settle these, I’ll lay out the data-gathering plan and run the back-test.